What's the relationship between brother yi and him?

Brother Yi and Zhu Xiaohan are both internet celebrities. Brother Yi is a gifted scholar with a certain voice, with more than 29 million fans on a certain voice platform. He is the image ambassador of Tianyuan anti-drug in Tianyuan District of Zhuzhou City, the public ambassador of e-commerce poverty alleviation in Yanling County of Zhuzhou City in 2020, and the spokesperson of public welfare poverty alleviation in Xiecheng Village. Zhu Xiaohan, female, China nationality, Han nationality, network celebrity, short video creator, mainly shoots videos about the relationship between father and daughter, which has attracted the attention of many netizens.